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Leni [432]
3 years ago
10

A box contains

Mathematics
2 answers:
elena-s [515]3 years ago
4 0
9 because if you subtract 11 from 19 you get 9
andriy [413]3 years ago
4 0
11 - 19 equals 9 so 9
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In a bolt manufacturing factory, machines 4, Band C produce 25%, 30% and 45% of
Ugo [173]

In the first 25% of the produce, 7% of that is defective. Which means that 25%*93% is not defective.

=20.75% not defective.

In the second 30% of the produce, 6% is defective Which means that 30%*94%

=28.2% not defective

Now for the 3rd 45% of the produce, 4% is defective which means that

45%*96%

=43.2% not defective.

Added together, 20.75+28.2+43.2=92.15% not defective.

7 0
2 years ago
Mark talked on his cell phone 3 hours over the weekend. Generic talked on his phone 1 9/10 hours. How much longer did mark talk
lubasha [3.4K]
Do 3 minus 1.9

- To make this easier I would do

3 - 2 = 1
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8 0
3 years ago
Youre amazing!!! could you help me? 50 points!!! Write an expression that can be used to produce vector d from vector c, and exp
andrew-mc [135]

Answer:

Multiply vector c by the scalar -1/2.

Step-by-step explanation:

Look at vector c.

It has an x component of 4 and a y component of 4.

You can write vector c as a sum of its components using unit vectors in the x direction (i) and in the y direction (j).

c = 4i + 4j

Now look at vector d, and write it also as a sum of its x and y components.

d = -2i - 2j

Now ask yourself, what operation do I do to 4 to end up with -2?

One answer is to multiply 4 by -1/2.

d = (-1/2)c = (-1/2)(4i) + (-1/2)(4j) = -2i - 2j

That worked. By multiplying vector c by the scalar -1/2, you end up with vector d.

8 0
2 years ago
Determine the value of y, if x is 7.<br> y = x2 - 1
ddd [48]

Answer:

13

Step-by-step explanation:

If x is 7, then 7 * 2 = 13, and 14 - 1 = 13.

Hope that this helps!

4 0
3 years ago
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Tomtit [17]

Answer:

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7 0
3 years ago
Read 2 more answers
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